WO2020162226A1 - Structure de support de vibrateur, moteur vibrant, et équipement électronique - Google Patents

Structure de support de vibrateur, moteur vibrant, et équipement électronique Download PDF

Info

Publication number
WO2020162226A1
WO2020162226A1 PCT/JP2020/002522 JP2020002522W WO2020162226A1 WO 2020162226 A1 WO2020162226 A1 WO 2020162226A1 JP 2020002522 W JP2020002522 W JP 2020002522W WO 2020162226 A1 WO2020162226 A1 WO 2020162226A1
Authority
WO
WIPO (PCT)
Prior art keywords
vibrator
vibration motor
magnet
housing
support member
Prior art date
Application number
PCT/JP2020/002522
Other languages
English (en)
Japanese (ja)
Inventor
和英 高田
Original Assignee
株式会社村田製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP2020571101A priority Critical patent/JP7156411B2/ja
Priority to CN202080012685.5A priority patent/CN113396532A/zh
Publication of WO2020162226A1 publication Critical patent/WO2020162226A1/fr
Priority to US17/389,888 priority patent/US11876425B2/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism

Definitions

  • This disclosure relates to a vibrator support structure, a vibration motor using the vibrator support structure, and an electronic device using the vibration motor.
  • FIG. 25 is a plan view showing the inside of the vibration motor described in Patent Document 1.
  • the vibration motor 200 includes a housing 201, a vibrator 202, a first coil 203, a second coil 204, and support members S201 to S204.
  • the oscillator 202 includes a first magnet and a second magnet (not shown).
  • the first coil 203 is fixed to the housing 201 so as to face the first magnet.
  • the second coil 204 is fixed to the housing 201 so as to face the second magnet.
  • the support members S201 to S204 are bent plate-shaped spring members, and support the vibrator 202 in the housing 201.
  • the driving force generated by the first coil 203 and the first magnet causes the vibrator 202 to vibrate along the first direction D1. Further, the driving force generated by the second coil 204 and the second magnet causes the vibrator 202 to vibrate along the second direction D2.
  • the one end of the support member S201 and the one end of the support member S202, and the one end of the support member S203 and the one end of the support member S204 are fixed to the housing 201 so as to face each other in the second direction D2. Further, the other end of the support member S201 and the other end of the support member S202, and the other end of the support member S203 and the other end of the support member S204 are fixed to the vibrator 202 in a state of facing each other in the second direction D2. Has been done.
  • the vibration of the vibrator 202 is transmitted to the housing 201 via the support members S201 to S204 and is sensed as the vibration of the vibration motor 200.
  • the vibration motor 200 when the vibrator 202 vibrates in the first direction D1, shear stress is generated between one end of the supporting members S201 to S204 and the housing 201. Therefore, when the vibration in the first direction D1 is repeated, there is a possibility that the connection part between one end of the support members S201 to S204 and the housing 201 is broken.
  • the purpose of this disclosure is to provide a vibrator support structure capable of suppressing a load on a connecting member between a support member and a housing that supports a vibrator that vibrates in two different directions.
  • Another object of the present invention is to provide a vibration motor using the vibrator support structure, and an electronic device using the vibration motor.
  • a vibrator support structure includes a first housing, a vibrator capable of vibrating along a first direction and a second direction intersecting the first direction, and at least one first support member. Equipped with.
  • the first support member allows the vibrator to slide with respect to the first deforming portion that elastically deforms with respect to the vibration of the vibrator in the first direction and the vibration of the vibrator in the second direction.
  • the vibration motor according to the present disclosure is fixed to the first housing, a vibrator including at least one first magnet and a second magnet, respectively, and is fixed to the first housing to move the vibrator in the first direction.
  • a first coil that applies a driving force to vibrate the first magnet to the first magnet, and a driving force that is fixed to the first housing and that vibrates the vibrator in a second direction that intersects the first direction.
  • the first repulsion mechanism includes a first support member that supports the vibrator inside the first housing.
  • the first support member allows the vibrator to slide with respect to the first deforming portion that elastically deforms with respect to the vibration of the vibrator in the first direction and the vibration of the vibrator in the second direction.
  • Has a first engaging portion that engages with the vibrator.
  • an electronic device includes a vibration motor according to this disclosure and a second housing.
  • the vibration motor is housed in the second housing.
  • the vibrator support structure according to this disclosure can suppress the load on the connection between the housing and the support member that supports the vibrator that vibrates in two different directions.
  • the vibration motor according to the present disclosure has a highly reliable connection portion between the support member that supports the vibrator inside the housing and the housing, and can generate stable vibration in two different directions.
  • the electronic device according to the present disclosure can suppress a reduction in vibration for feedback of skin sensation or for confirmation of key operation and incoming call.
  • FIG. 1A is a top view of a vibration motor 100 showing a schematic form of a vibration motor including a vibrator support structure according to the present disclosure, excluding a first portion 1 a (see FIG. 2) of a housing 1.
  • FIG. 1B is a plan view of the vibration motor 100 as viewed from below except the second portion 1b (see FIG. 2) of the housing 1.
  • FIG. 2A is a cross-sectional view of the vibration motor 100 taken along a plane including the line AA shown in FIG. 2B is a cross-sectional view of the vibration motor 100 taken along a plane including the line BB shown in FIG.
  • FIGS. 4A to 4C are perspective views showing a supporting member S1a included in the first repulsion mechanism S1 included in the vibration motor 100 and first and second modified examples thereof.
  • FIGS. 4A to 4C are perspective views showing third to fifth modified examples of the support member S1a.
  • FIG. 5A is a plan view of a vibration motor 100A that is a first modification of the vibration motor 100 and corresponds to FIG. 1A.
  • FIG. 5B is a plan view of the vibration motor 100A corresponding to FIG. 1B.
  • FIG. 6A is a sectional view of the vibration motor 100A corresponding to FIG.
  • FIG. 6B is a cross-sectional view of the vibration motor 100A, which corresponds to FIG. 2B.
  • 7A to 7C are cross-sectional views corresponding to FIG.
  • FIG. 9A is a plan view of a vibration motor 100B that is a second modification of the vibration motor 100 and corresponds to FIG. 1A.
  • FIG. 9(B) is a cross-sectional view of the vibration motor 100B corresponding to FIG. 2(A).
  • FIG. 10 is a plan view of a vibration motor 100C that is a third modification of the vibration motor 100 and corresponds to FIG. 1(A).
  • FIG. 11A is a cross-sectional view of the vibration motor 100C, which corresponds to FIG. 2A.
  • FIG. 9A is a plan view of a vibration motor 100B that is a second modification of the vibration motor 100 and corresponds to FIG. 1A.
  • FIG. 9(B) is a cross-sectional view of the vibration motor 100B corresponding to FIG. 2(A).
  • FIG. 10 is a plan view of a vibration motor 100C that is a third modification of the vibration motor 100 and corresponds to FIG. 1(A).
  • FIG. 11A is a cross-section
  • FIG. 11B is a sectional view of the vibration motor 100C corresponding to FIG.
  • FIG. 12 is a plan view of a vibration motor 100D that is a fourth modification of the vibration motor 100 and corresponds to FIG. 1(A).
  • FIG. 13A is a cross-sectional view of the vibration motor 100D, which corresponds to FIG. 2A.
  • FIG. 13B is a cross-sectional view of the vibration motor 100D, which corresponds to FIG.
  • FIG. 14A is a plan view of a vibration motor 100E that is a fifth modification of the vibration motor 100 and corresponds to FIG. 1A.
  • FIG. 14B is a cross-sectional view of the vibration motor 100E corresponding to FIG. FIG.
  • FIG. 15A is a plan view of a vibration motor 100F, which is a sixth modification of the vibration motor 100, corresponding to FIG. 1A.
  • FIG. 15B is a cross-sectional view of the vibration motor 100F corresponding to FIG.
  • FIG. 16A is a perspective view showing an example of one side S1a1 of the support member S1a included in the first repulsion mechanism S1 included in the vibration motor 100F.
  • FIG. 16B is a perspective view showing an example of the other side S1a2 of the support member S1a.
  • FIG. 17 is a plan view of a vibration motor 100G, which is a seventh modification of the vibration motor 100, corresponding to FIG. 1A.
  • FIG. 18A is a cross-sectional view of the vibration motor 100G, which corresponds to FIG.
  • FIG. 18B is a cross-sectional view of the vibration motor 100G, which corresponds to FIG. 2B.
  • FIG. 19A is a perspective view showing an example of one side S1a1 of the support member S1a included in the first repulsion mechanism S1 included in the vibration motor 100G.
  • FIG. 19B is a perspective view showing an example of the other side S1a2 of the support member S1a.
  • 20A is a plan view of a vibration motor 100H that is an eighth modification of the vibration motor 100 and corresponds to FIG. 1A.
  • 20B is a cross-sectional view of the vibration motor 100H, which corresponds to FIG. 2A.
  • FIG. 21(A) is a plan view of a vibration motor 200 showing an embodiment of a vibration motor support structure according to the present disclosure, as viewed from above except the first portion 1 a (see FIG. 2) of the housing 1. It is a figure.
  • FIG. 21(B) is a plan view of the vibration motor 200 as viewed from below except for the second portion 1b (see FIG. 2) of the housing 1.
  • FIG. 22A is a cross-sectional view of the vibration motor 200 taken along the plane including the line AA shown in FIG.
  • 3 is a cross-sectional view of a main part of portable information terminal 1000.
  • FIG. It is a sectional view of a vibration motor 200 of the background art.
  • a vibration motor 100 showing a schematic form of a vibration motor including a vibrator support structure according to the present disclosure will be described with reference to FIGS. 1 and 2.
  • FIG. 1A is a plan view of the vibration motor 100 as viewed from above except for the first portion 1a (see FIG. 2) of the housing 1.
  • FIG. 1(B) is a plan view of the vibration motor 100 as viewed from below, except for the portion of the second portion 1b (see FIG. 2) of the housing 1 that faces the first portion 1a.
  • FIG. 2A is a cross-sectional view of the vibration motor 100 taken along a plane including the line AA shown in FIG. 2B is a cross-sectional view of the vibration motor 100 taken along a plane including the line BB shown in FIG.
  • the top view refers to viewing the inner wall W6 side from the inner wall W5 side of the housing 1 described later.
  • the bottom view refers to viewing the inner wall W5 side from the inner wall W6 side.
  • the vibration motor 100 vibrates including a housing 1 (first housing), two magnets M1 (first magnet) and two magnets M2 (second magnet).
  • the child 2 the coil 3 (first coil), the coil 4 (second coil), the first repulsion mechanism S1, and the second repulsion mechanism S2 are provided.
  • two different vibration directions of the vibration motor 100 will be referred to as a first direction D1 and a second direction D2.
  • the housing 1 has a rectangular parallelepiped shape including a first portion 1a and a second portion 1b and inner walls W1 to W6.
  • the first portion 1a is a flat plate-shaped lid portion
  • the second portion 1b is a flat plate-shaped flat plate portion facing the first portion 1a
  • the flat plate-shaped flat portion is the first portion 1a.
  • the container portion has four flat plate-shaped side wall portions extending in the direction. That is, the housing 1 has a closed structure having a rectangular parallelepiped outer shape, but the shape is not limited to this.
  • the housing 1 may have a tubular shape or may partially include an opening.
  • the second portion 1b includes a container body 1b1 and a fixed portion 1b2 as described later, but the fixed portion 1b2 is not shown (the same applies hereinafter).
  • the inner walls W1 to W4 correspond to the side wall surfaces of the housing 1 shown in FIGS. 1A and 1B, and the inner wall W1 and the inner wall W2 and the inner wall W3 and the inner wall W4 face each other.
  • the inner wall W5 corresponds to the top surface inside the housing 1 shown in FIGS. 2A and 2B, and the inner wall W6 corresponds to the bottom surface inside the housing 1 facing the inner wall W5.
  • the oscillator 2 is housed in the second portion 1b of the housing 1.
  • the vibrator 2 includes the rectangular substrate 2a in the top view defined above.
  • the substrate 2a includes one main surface, the other main surface, two side surfaces (first side surface) parallel to the second direction D2, and two side surfaces (second side surface) parallel to the first direction D1.
  • the two magnets M1 are fixed to the one main surface side of the substrate 2a at intervals along the first direction D1 so as to face the winding portions of the coil 3 described later.
  • the two magnets M1 are arranged so that the arrangement directions of the magnetic poles are parallel to the winding axis of the coil 3 and opposite to each other.
  • the magnetic pole of one of the two magnets M1 (the left-side magnet M1 in FIG. 2A) has the S pole on the side facing the coil 3 (the side close to the coil 3) and faces the substrate 2a.
  • the side (the side close to the substrate 2a) to perform is the N pole.
  • the other magnetic pole of the two magnets M1 (the magnet M1 on the right side in FIG. 2A) has the N pole on the side facing the coil 3 (the side close to the coil 3) and the side facing the substrate 2a (the side facing the substrate 2a).
  • the side close to the substrate 2a) is the S pole.
  • the two magnets M1 have the same shape. That is, the two magnets M1 appear to overlap each other when viewed from the first direction D1.
  • the shape of the magnet M1 is not limited to this. Moreover, only one magnet M1 may be used. In the vibration motor 100, since the two magnets M1 are arranged as described above, the Lorentz force applied to the coil 3 described later can be increased.
  • another magnet may be inserted between the two magnets M1 so that the magnetic field of the array of the two magnets M1 and the magnets formed by the other magnets is concentrated on the side facing the coil 3.
  • the side facing one of the two magnets M1 (the side close to one of the two magnets M1) is the S pole, and the side facing the other (the side close to the other). It is a north pole.
  • the coil 3 When the coil 3 is energized, it gives a driving force to the magnet M1 so that the vibrator 2 can vibrate along the first direction D1.
  • the winding of the coil 3 and the energization path (wiring path) to the coil 3 are not shown.
  • the coil 3 In the vibration motor 100, the coil 3 is fixed to the inner wall W5 of the housing 1 such that the winding axis is parallel to the normal direction of the inner wall W5 of the housing 1, that is, the winding axis is orthogonal to the first direction D1.
  • the shape of the coil 3 when viewed from the winding axis direction is a rectangular shape. However, for the convenience of winding, the portion corresponding to the rectangular corner of the coil 3 may have a constant curved surface.
  • the direction of the Lorentz force described above is more aligned with the first direction D1 than when the coil 3 is annular. Cheap. Therefore, the driving force applied to the vibrator 2 along the first direction D1 becomes large, which is preferable.
  • the two magnets M2 are fixed to the other main surface side of the substrate 2a at intervals along the second direction D2 intersecting the first direction D1 so as to face the winding portion of the coil 4 described later. Has been done.
  • the two magnets M2 are arranged so that the arrangement directions of the magnetic poles are parallel to the winding axis of the coil 4 and opposite to each other.
  • the magnetic pole of one of the two magnets M2 (the left-side magnet M2 in FIG. 2B) has the N pole on the side facing the coil 4 (the side close to the coil 4) and faces the substrate 2a.
  • the side (the side close to the substrate 2a) to be the S pole.
  • the magnetic pole of the other of the two magnets M2 (the magnet M2 on the right side in FIG. 2B) is the S pole on the side facing the coil 4 (the side close to the coil 4), and the side facing the substrate 2a ( The side close to the substrate 2a) is the N pole.
  • the first direction D1 and the second direction D2 are orthogonal to each other.
  • the orthogonality between the first direction D1 and the second direction D2 is a concept including a deviation from a strict orthogonality due to manufacturing variations and the like.
  • the two magnets M2 have the same shape. That is, the two magnets M2 appear to overlap each other when viewed in the second direction D2.
  • the shape of the magnet M2 is not limited to this. Moreover, only one magnet M2 may be provided. In the vibration motor 100, since the two magnets M2 are arranged as described above, the Lorentz force applied to the coil 4 described later can be increased.
  • another magnet may be further inserted between the two magnets M2 so that the magnetic field of the array of the two magnets M2 and the magnets formed by the other magnets is concentrated on the side facing the coil 4. ..
  • the side facing one of the two magnets M2 (the side closer to one of the two magnets M2) is the N pole, and the side facing the other (the side closer to the other). It is the south pole.
  • the coil 4 When the coil 4 is energized, it gives a driving force to the magnet M2 so that the vibrator 2 can vibrate along the second direction D2. 1 and 2, the winding of the coil 4 and the energization path (wiring path) to the coil 4 are not shown.
  • the coil 4 In the vibration motor 100, the coil 4 is fixed to the inner wall W6 of the housing 1 such that the winding axis is parallel to the normal direction of the inner wall W6 of the housing 1, that is, the winding axis is orthogonal to the second direction D2. Has been done.
  • the shape of the coil 4 as viewed from the winding axis direction is rectangular. However, for the convenience of winding, the part corresponding to the rectangular corner of the coil 4 may have a constant curved surface.
  • the direction of the Lorentz force described above is more aligned with the second direction D2 than when the coil 4 is annular. Cheap. Therefore, the driving force applied to the vibrator 2 in the second direction D2 is increased, which is preferable.
  • the first repulsion mechanism S1 applies a repulsive force between the housing 1 and the vibrator 2 along the first direction D1.
  • the vibrator 2 is movable along the second direction D2.
  • the first repulsion mechanism S1 includes support members S1a and S1b (first support member) that support the vibrator 2 in the housing 1.
  • the supporting member S1a has a deforming portion S11a and an engaging portion S12a.
  • the deformable portion S11a has a U-shape that opens to the inner wall W3 side in a top view, and elastically deforms with respect to the vibration of the vibrator 2 in the first direction D1.
  • the engaging portion S12a is engaged with the vibrator 2 so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the engagement of the engagement part S12a and the vibrator 2 means that one of the engagement part S12a and the vibrator 2 is in contact with each other in a state of being inserted into the other.
  • the fact that the vibrator 2 is slidable with respect to the vibration of the vibrator 2 in the second direction D2 means that the engaging portion S12a and the vibrator 2 vibrate while maintaining the state of being in contact with each other as described above.
  • the child 2 is movable along the second direction.
  • the supporting member S1b has a deforming portion S11b and an engaging portion S12b.
  • the deformable portion S11b has a U-shape that opens to the inner wall W4 side in a top view, and elastically deforms with respect to the vibration of the vibrator 2 in the first direction D1.
  • the engagement portion S12b is engaged with the vibrator 2 so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the engagement between the engaging portion S12b and the vibrator 2 and the fact that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the first direction D1 are defined as above. It
  • the supporting member S1a is fixed to the housing 1 by connecting the flat plate-shaped fixing portion S13a extending from the deforming portion S11a and the inner wall W1.
  • the supporting member S1b is fixed to the housing 1 by connecting the flat plate-shaped fixing portion S13b extending from the deforming portion S11b and the inner wall W2.
  • the oscillator 2 is movable along the second direction D2 between the engaging portion S12a of the supporting member S1a and the engaging portion S12b of the supporting member S1b, and is supported in the housing 1. It is sandwiched.
  • the deformable portion S11a of the support member S1a is preliminarily configured to bias the transducer 2 in the direction from the inner wall W1 toward the inner wall W2, and the deformable portion S11b of the support member S1b is biased in advance in the direction from the inner wall W2 toward the inner wall W1. It is preferably modified.
  • the engagement portion S12a of the support member S1a and the engagement portion S12b of the support member S1b are in a state of being engaged with the vibrator 2, respectively.
  • the fixed portion S13a of the support member S1a and the fixed portion S13b of the support member S1b are provided on the symmetry axis parallel to the first direction D1 of the substrate 2a before the vibrator 2 vibrates in each direction. Is preferably connected to. In this case, when the vibrator 2 vibrates in the first direction D1, vibration shake can be effectively suppressed.
  • the second repulsion mechanism S2 applies a repulsive force between the housing 1 and the vibrator 2 along the second direction D2.
  • the vibrator 2 is movable along the first direction D1.
  • the second repulsion mechanism S2 includes support members S2a and S2b (second support member) that support the vibrator 2 in the housing 1.
  • the supporting member S2a has a deforming portion S21a and an engaging portion S22a.
  • the deforming portion S21a has a U-shape that opens to the inner wall W2 side in a top view and elastically deforms with respect to the vibration of the vibrator 2 in the second direction D2.
  • the engagement portion S22a is engaged with the vibrator 2 so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the first direction D1.
  • the engagement between the engaging portion S22a and the vibrator 2 and the fact that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the first direction D1 are defined as described above. It
  • the supporting member S2b has a deforming portion S21b and an engaging portion S22b.
  • the deforming portion S21b has a U-shape that opens to the inner wall W1 side in a top view and elastically deforms with respect to the vibration of the vibrator 2 in the second direction D2.
  • the engaging portion S22b is engaged with the vibrator 2 so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the first direction D1.
  • the engagement between the engaging portion S22b and the vibrator 2 and the fact that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the first direction D1 are also defined in the same manner as above. It
  • the supporting member S2a is fixed to the housing 1 by connecting the flat plate-shaped fixing portion S23a extending from the deforming portion S21a and the inner wall W3.
  • the support member S2b is fixed to the housing 1 by connecting the flat plate-shaped fixing portion S23b extending from the deforming portion S21b and the inner wall W4.
  • the oscillator 2 is movable along the first direction D1 between the engagement portion S22a of the support member S2a and the engagement portion S22b of the support member S2b, and is supported in the housing 1. It is sandwiched.
  • the deformable portion S21a of the support member S2a is preliminarily biased in the direction from the inner wall W3 toward the inner wall W4, and the deformable portion S21b of the support member S2b is biased in advance in the direction from the inner wall W4 toward the inner wall W3. It is preferably modified.
  • the engagement portion S22a of the support member S2a and the engagement portion S22b of the support member S2b are in a state of being engaged with the vibrator 2, respectively.
  • the fixed portion S23a of the support member S2a and the fixed portion S23b of the support member S2b are provided on the symmetry axis parallel to the second direction D2 of the substrate 2a before the vibrator 2 vibrates in each direction. Is preferably connected to. In this case, when the vibrator 2 vibrates in the second direction D2, shake of vibration can be effectively suppressed.
  • the support member S1a included in the first repulsion mechanism S1 included in the vibration motor 100 will be further described with reference to FIGS. 3 and 4.
  • FIG. 3(A) shows the supporting member S1a
  • FIGS. 3(B) and 3(C) are perspective views showing the first and second modified examples of the supporting member S1a, respectively. Since the supporting member S1b also has the same structure and function, detailed description thereof will be omitted.
  • FIG. 3A shows the supporting member S1a included in the vibration motor 100 described above. As described above, the support member S1a has the deformable portion S11a, the engaging portion S12a, and the fixed portion S13a.
  • the deformed portion S11a is a strip-shaped elastic member that is processed into a U shape in a top view. That is, when the support member S1a is incorporated in the vibration motor 100, it is elastically deformable in the first direction D1.
  • As the material of the deformed portion S11a for example, ribbon steel, bainite steel, stainless steel, phosphor bronze or beryllium copper is used.
  • the width of the band-shaped elastic member that is the deformed portion S11a is the same as the thickness of the substrate 2a.
  • the engagement portion S12a has a recess C.
  • the engaging portion S12a has two plate-like shapes so that a flat plate portion extending from the U-shaped deforming portion S11a has a square C-shaped cross section. It is formed by connecting members.
  • the support member S1a is incorporated in the vibration motor 100, the inside of the recess C contacts one of the first side surfaces of the substrate 2a.
  • the engaging portion S12a and the vibrator 2 are engaged so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the deforming portion S11a and the engaging portion S12a may be one member as described above, or may be separate members.
  • a portion of the engaging portion S12a extending from the deforming portion S11a in a flat plate shape is parallel to the fixing portion S13a. However, it is not limited to this.
  • the deformable portion S11a is deformed so that the engagement portion S12a remains engaged with the transducer 2 even at the maximum amplitude of the transducer 2 in the first direction D1. It is preferable. In particular, it is preferable that the engaging portion S12a is deformed so that the portion of the engaging portion S12a extending from the deforming portion S11a in a flat plate shape and one of the first side surfaces of the substrate 2a are in contact with each other.
  • the fixing portion S13a is a portion that extends in a flat plate shape from the deforming portion S11a, and is provided in consideration of the ease and strength of fixing the support member S1a to the housing 1. Depending on the shape of the deformable portion S11a, the deformable portion S11a may be directly connected to the housing 1 without providing the fixing portion S13a.
  • the fixed portion S13a is fixed to the housing 1 with respect to the housing 1.
  • the force to be pressed is added. That is, it is preferable in terms of improving the connection reliability between the support member S1a and the housing 1.
  • FIG. 3B shows a first modification of the support member S1a.
  • the support member S1a also has a deformable portion S11a, an engaging portion S12a, and a fixed portion S13a.
  • the deformable portion S11a is a strip-shaped elastic member that is linear in a top view.
  • the engagement portion S12a and the fixed portion S13a are the same as those in the example shown in FIG. 3A, and thus detailed description thereof will be omitted.
  • the deformation of the deforming portion S11a when the supporting member S1a is incorporated in the vibration motor 100 and the vibrator 2 vibrates in the first direction D1, the deformation of the deforming portion S11a.
  • the amount can be increased. That is, it is preferable in terms of improving the vibration amount of the vibrator 2.
  • FIG. 3C shows a second modification of the support member S1a.
  • the support member S1a also has a deformable portion S11a, an engaging portion S12a, and a fixed portion S13a.
  • the deformable portion S11a is a rectangular parallelepiped elastic member.
  • the material of the deformed portion S11a for example, styrene-butadiene rubber, epoxy rubber, silicone rubber or the like is used.
  • the engaging portion S12a is a band-shaped member having a square C-shaped cross section, and is connected to one end of the deforming portion S11a.
  • the fixed portion S13a is the other end of the deformable portion S11a.
  • FIG. 4A to 4C are perspective views showing third to fifth modified examples of the support member S1a.
  • FIG. 4A shows a third modification of the support member S1a.
  • the sliding material SBa is attached to one of the two plate-shaped members forming the recess C of the engaging portion S12a, and the sliding material SBb is attached to the other. Thereby, the friction between the substrate 2a and the recess C can be reduced.
  • the material of the sliding materials SBa and SBb for example, fluororesin, polyacetal, polyphenylene sulfide, or polyolefin resin is used.
  • the slip members SBa and SBb may be attached to the one main surface and the other main surface of the substrate 2a.
  • FIG. 4B shows a fourth modification of the support member S1a.
  • the impact absorbing material SA is attached to the flat plate portion extending from the deforming portion S11a forming the recess C of the engaging portion S12a. Accordingly, it is possible to suppress damage due to the collision between the flat plate portion extending from the deformed portion S11a and one of the first side surfaces of the substrate 2a inside the recess C.
  • FIG. 4C shows a fifth modification of the support member S1a.
  • the above-mentioned sliding materials SBa, SBb and shock absorbing material SA are attached to the recess C of the engaging portion S12a. Thereby, the effects of the third and fourth modified examples can be obtained together.
  • the vibrator support structure in the vibration motor 100 includes the housing 1, the vibrator 2 that can vibrate in the first direction D1 and the second direction D2, and the support members S1a and S1b (first Support member) and support members S2a and S2b (second support member).
  • the support members S1a and S1b provide a repulsive force between the housing 1 and the vibrator 2 as a spring mechanism when the vibrator 2 vibrates along the first direction D1.
  • the load on the connecting portion between the supporting members S1a and S1b and the housing 1 can be suppressed by sliding the vibrator 2.
  • the support members S2a and S2b provide a repulsive force between the housing 1 and the vibrator 2 as a spring mechanism when the vibrator 2 vibrates along the second direction D2.
  • the vibrator 2 vibrates along the first direction D1, by sliding the vibrator 2, it is possible to suppress the load on the connecting portion between the supporting members S2a, S2b and the housing 1.
  • the support members S1a and S1b and the support members S2a and S2b that support the vibrator 2 in the housing 1 and the connection portion between the housing 1 and the housing 1 are highly reliable and different from each other in the first direction D1.
  • stable vibration can be generated in each of the second direction D2.
  • the support members S1a and S1b and the support members S2a and S2b have the same shape.
  • the support members S1a, S1b and the support members S2a, S2b may have different shapes.
  • the support members S1a and S1b have opposite opening directions toward the inner wall, and the support members S2a and S2b have opposite opening directions toward the inner wall.
  • the support member S1a and the support member S1b may open toward the same inner wall, or the support member S2a and the support member S2b may open toward the same inner wall.
  • a vibration motor 100A that is a first modification of the vibration motor 100 that is a schematic form of the vibration motor according to the present disclosure will be described with reference to FIGS. 5 and 6.
  • FIGS. 5A and 5B are plan views of the vibration motor 100A corresponding to FIGS. 1A and 1B.
  • FIGS. 6A and 6B are plan views of the vibration motor 100A corresponding to FIGS. 2A and 2B.
  • the vibration motor 100A is different from the vibration motor 100 in the form of the second repulsion mechanism S2.
  • the other configurations are similar to those of the vibration motor 100, and thus detailed description will be omitted.
  • the second repulsion mechanism S2 includes the magnet unit MU1a (first magnet unit) and the magnet unit MU1b (first magnet unit).
  • the magnet unit MU1a includes a magnet M3a (third magnet) and a magnet M4a (fourth magnet).
  • the magnet unit MU1b includes a magnet M3b (third magnet) and a magnet M4b (fourth magnet).
  • the magnet units MU1a and MU1b each function as a magnetic spring mechanism.
  • the magnet M3a is fixed to the inner wall W3 of the housing 1 such that the arrangement direction of the magnetic poles is parallel to the second direction D2 (see FIGS. 1 and 2 for each inner wall of the housing 1. The same applies hereinafter).
  • the magnet M4a is arranged such that the arrangement direction of the magnetic poles is parallel to the second direction D2 and repels the magnet M3a along the second direction D2, and is fixed to one of the second side surfaces of the substrate 2a.
  • the magnet M4a is configured so that the distance between the magnet M3a and the magnet M4a before vibration is equal to or less than the distance between the end surface of the substrate 2a and the housing 1. It is fixed to 2a. In this case, the magnetic spring mechanism works effectively. From the viewpoint of miniaturization, it is preferable that the distance between the magnet M3a and the magnet M4a before vibration is the same as the distance between the end surface of the substrate 2a and the inner wall W3.
  • the magnet M3b is fixed to the inner wall W4 of the housing 1 so that the arrangement direction of the magnetic poles is parallel to the second direction D2.
  • the magnet M4b is arranged such that the arrangement direction of the magnetic poles is parallel to the second direction D2 and repels the magnet M3b along the second direction D2, and is fixed to the other of the second side surfaces of the substrate 2a.
  • the magnet M4b is also preferably at the same distance so that the distance between the magnet M3b and the magnet M4b before vibration is equal to or less than the distance between the end surface of the substrate 2a and the housing 1.
  • the vibrator 2 includes a substrate 2a, two magnets M1 (first magnets), and two magnets M2 (second magnets), as shown in FIG. , Magnets M3a and M3b (third magnet) and magnets M4a and M4b (fourth magnet).
  • the magnet M3a, the magnet M4a, the magnet M3b, and the magnet M4b are on the same axis along the second direction D2 in plan view. It is located in. Further, as shown in FIG. 6B, the north pole of the magnet M3a and the north pole of the magnet M4a face each other, and the south pole of the magnet M3b and the south pole of the magnet M4b face each other. .. Thereby, the magnet M3a and the magnet M4a constitute one of the magnetic spring mechanisms against the vibration of the vibrator 2 along the second direction D2, and the magnet M3b and the magnet M4b constitute the other of the magnetic spring mechanism. ing.
  • the second repulsion mechanism S2 in the vibration motor 100A does not have a support member that supports the vibrator 2. Therefore, the vibrator 2 is supported by the housing 1 by the support members S1a and S1b. As described above, the support members S1a and S1b can suppress the load applied to the connection portion with the housing 1, and the reliability of the connection portion between the support members S1a and S1b and the housing 1 can be increased. As a result, the vibration motor 100A can generate stable vibration in each of the first direction D1 and the second direction D2 different from each other.
  • 7A to 7C are cross-sectional views corresponding to FIG. 2A, respectively, for explaining a series of operations of the vibration motor 100A in the first direction D1.
  • FIG. 7A shows a state where the vibrator 2 is not vibrating and the coil 3 is energized.
  • the symbol attached to the cross section on the left side of the coil 3 indicates that the current flows from the back side to the front side in the drawing.
  • the symbol attached to the cross section on the right side of the coil 3 indicates that the current flows from the front side to the back side in the drawing.
  • An upward arrow coming out from the N pole or a downward arrow coming into the S pole represents the direction of the magnetic field of the magnet M1.
  • FIG. 7B shows a state in which the direction of the current flowing through the coil 3 is reversed after the vibrator 2 moves to the left side in the figure.
  • the deformable portion S11a of the support member S1a between the vibrator 2 and the inner wall W1 of the housing 1 elastically deforms in the direction of compression, whereby the vibrator 2 and the inner wall W1 are separated from each other.
  • Repulsive force works in between.
  • a force (rightward arrow in the drawing) that moves to the right in the drawing is applied to the vibrator 2.
  • the deformed portion S11b of the support member S1b between the vibrator 2 and the inner wall W2 of the housing 1 elastically deforms in the extending direction.
  • the deforming portion S11b is deformed in advance so as to bias the transducers 2 in the direction from the inner wall W2 to the inner wall W1. That is, in the state of FIG. 7B, since the deformation applied in advance to the deforming portion S11b is released, no force is generated from the deforming portion S11b to move the vibrator 2 to the right side in the drawing.
  • the reaction force of the force applied to the vibrator 2 is applied to the inner wall W1. Then, the reaction force deforms the second portion 1b of the housing 1 to which the supporting member S1a is fixed.
  • FIG. 7(B) the illustration of the modification is omitted (the same applies hereinafter).
  • FIG. 7C shows a state in which the direction of the current flowing through the coil 3 is reversed after the vibrator 2 moves to the right side in the figure.
  • the deformed portion S11a of the support member S1a between the vibrator 2 and the inner wall W1 of the housing 1 elastically deforms in the extending direction.
  • the state of FIG. 7C is a state in which the deformation that has been applied to the deforming portion S11a in advance is released, so that the transducer 2 is not removed from the deforming portion S11a. There is no force to move it to the left above.
  • the reaction force of the force applied to the vibrator 2 is applied to the inner wall W2. Then, the reaction force deforms the second portion 1b of the housing 1 to which the supporting member S1b is fixed.
  • the vibrator 2 moves to the left side in the figure along the first direction D1.
  • Such a driving force is given.
  • the vibrator 2 vibrates along the first direction D1.
  • the vibration of the vibrator 2 repeatedly deforms the housing 1 and becomes the vibration of the vibration motor 100A.
  • the second repulsion mechanism S2 includes the magnet units MU1a and MU1b, and does not have a support member that supports the vibrator 2 inside the housing 1. Therefore, there is no connecting portion between the housing 1 and the supporting member. Therefore, the vibration of the vibrator 2 in the first direction D1 does not affect the reliability of the second repulsion mechanism S2.
  • 8A to 8C are cross-sectional views each illustrating a series of operations of the vibration motor 100A in the second direction D2 and corresponding to FIG. 2B.
  • FIG. 8A shows a state in which the vibrator 2 is not vibrating and the coil 4 is energized.
  • the symbol attached to the cross section on the left side of the coil 4 indicates that the current flows from the back side to the front side in the drawing.
  • the symbol attached to the cross section on the right side of the coil 4 indicates that the current flows from the front side to the back side in the drawing.
  • An upward arrow coming out from the N pole or a downward arrow coming into the S pole represents the direction of the magnetic field of the magnet M2.
  • FIG. 8B shows a state in which the direction of the current flowing through the coil 4 is reversed after the vibrator 2 moves to the right side in the figure.
  • the above-mentioned force applied to the magnet M4b and the reaction force of the Lorentz force give the vibrator 2 a driving force that moves to the left side in the figure along the second direction D2.
  • FIG. 8C shows a state in which the direction of the current flowing through the coil 4 is reversed after the vibrator 2 moves to the left side in the figure.
  • the repulsive force between the magnet M3a fixed to the second portion 1b (inner wall W3) of the housing 1 and the magnet M4a of the vibrator 2 increases.
  • a force (arrow pointing right in the drawing) that moves to the right in the drawing is applied to the magnet M4a.
  • the reaction force of the force applied to the magnet M4a is applied to the magnet M3a.
  • the reaction force deforms the second portion 1b of the housing 1 to which the magnet M3a is fixed, in the direction opposite to that in the case of FIG. 8B.
  • the vibrator 2 is given a driving force that moves to the right side in the drawing along the second direction D2.
  • the vibrator 2 vibrates along the second direction D2. Then, the vibration of the vibrator 2 repeatedly deforms the housing 1 and becomes the vibration of the vibration motor 100A.
  • the first repulsion mechanism S1 includes the support members S1a and S1b described above, and the second repulsion mechanism S2 does not include a support member that supports the vibrator 2 in the housing 1. .. That is, the vibrator support structure in the vibration motor 100A includes the housing 1, the vibrator 2 that can vibrate along the first direction D1 and the second direction D2, and the support members S1a and S1b.
  • the vibration motor 100A when the vibrator 2 vibrates in the second direction D2, it is possible to suppress the load on the connecting portion between the support members S1a and S1b and the housing 1. As a result, also in the vibration motor 100A, stable vibration can be generated in each of the first direction D1 and the second direction D2 different from each other.
  • FIG. 9(A) is a plan view of the vibration motor 100B corresponding to FIG. 1(A).
  • FIG. 9(B) is a cross-sectional view of the vibration motor 100B corresponding to FIG. 2(A).
  • the vibration motor 100B is different from the vibration motor 100A in the form of the first repulsion mechanism S1.
  • the other configurations are similar to those of the vibration motor 100A, and thus detailed description thereof will be omitted.
  • the first repulsion mechanism S1 applies the repulsive force between the housing 1 and the vibrator 2 along the first direction D1 and the support member S1a, and the magnet unit MU2 (second Magnet unit).
  • the magnet unit MU2 includes a magnet M8 (eighth magnet) and a magnet M9 (ninth magnet). As will be described later, the magnet unit MU2 functions as a magnetic spring mechanism.
  • the magnet M8 is fixed to the inner wall W2 of the housing 1 so that the arrangement direction of the magnetic poles is parallel to the first direction D1.
  • the magnet M9 is arranged such that the arrangement direction of the magnetic poles is parallel to the first direction D1 and repels the magnet M8 along the first direction D1, and is fixed to one of the first side surfaces of the substrate 2a.
  • the magnet M9 is configured so that the distance between the magnet M8 and the magnet M9 before vibration is equal to or less than the distance between the end surface of the substrate 2a and the housing 1. It is fixed to 2a. In this case, the magnetic spring mechanism works effectively. From the viewpoint of miniaturization, it is preferable that the distance between the magnet M8 and the magnet M9 before vibration is the same as the distance between the end surface of the substrate 2a and the inner wall W2.
  • the vibrator 2 is supported only by the support member S1a. That is, the vibrator support structure in the vibration motor 100B includes the housing 1, the vibrator 2 that can vibrate along the first direction D1 and the second direction D2, and the support member S1a. As described above, the support member S1a can suppress the load applied to the connecting portion between the supporting member S1a and the housing 1, and can enhance the reliability of the connecting portion between the supporting member S1a and the housing 1. As a result, the vibration motor 100B can generate stable vibration in each of the first direction D1 and the second direction D2 which are different from each other.
  • a vibration motor 100C that is a third modification of the vibration motor 100 that is a schematic form of the vibration motor according to the present disclosure will be described with reference to FIGS. 10 and 11.
  • FIG. 10 is a plan view of the vibration motor 100C corresponding to FIG. 1(A).
  • FIG. 11A is a cross-sectional view of the vibration motor 100C, which corresponds to FIG. 2A.
  • FIG. 11B is a sectional view of the vibration motor 100C corresponding to FIG.
  • the vibration motor 100C is different from the vibration motor 100A in the form of the vibrator 2 and the arrangement of the coils 4. The other configurations are similar to those of the vibration motor 100A, and thus detailed description thereof will be omitted.
  • the two magnets M1 and the two magnets M2 are both fixed to the one main surface side of the substrate 2a.
  • the winding axis line is parallel to the normal direction of the inner wall W5 of the housing 1, that is, the winding axis line is orthogonal to the first direction D1. It is fixed to.
  • the two magnets M1 are fixed to the one main surface side of the substrate 2a at intervals along the first direction D1 so as to face the winding portion of the coil 3.
  • the two magnets M1 are arranged so that the arrangement directions of the magnetic poles are parallel to the winding axis of the coil 3 and opposite to each other.
  • the two magnets M2 are fixed to the one main surface side of the substrate 2a along the second direction D2 so as to face the winding portion of the coil 4 with a gap.
  • the two magnets M2 are arranged so that the arrangement directions of the magnetic poles are parallel to the winding axis of the coil 4 and opposite to each other.
  • the vibrator support structure of the vibration motor 100C is similar to the vibrator support structure of the vibration motor 100A. Therefore, also in the vibration motor 100C, stable vibration can be generated in each of the first direction D1 and the second direction D2 different from each other.
  • the two magnets M1 and the two magnets M2, and the coils 3 and 4 are all arranged on the one main surface side of the substrate 2a. Therefore, the height of the vibration motor 100C can be reduced.
  • a vibration motor 100D that is a fourth modification of the vibration motor 100 that is a schematic form of the vibration motor according to the present disclosure will be described with reference to FIGS. 12 and 13.
  • FIG. 12 is a plan view of the vibration motor 100D corresponding to FIG. 1(A).
  • FIG. 13A is a cross-sectional view of the vibration motor 100D, which corresponds to FIG. 2A.
  • FIG. 13B is a cross-sectional view of the vibration motor 100D, which corresponds to FIG.
  • the vibration motor 100D is different from the vibration motor 100C in the form of the second repulsion mechanism S2.
  • Other configurations are similar to those of the vibration motor 100C, and detailed description thereof will be omitted.
  • the second repulsion mechanism S2 includes a magnet unit MU1a (first magnet unit) and a magnet unit MU1b (first magnet unit).
  • the magnet unit MU1a includes a magnet M5 (fifth magnet) and a magnet M6 (sixth magnet).
  • the magnet unit MU1b includes a magnet M5 and a magnet M7 (seventh magnet). That is, the magnet unit MU1a and the magnet unit MU1b share the magnet M5.
  • the magnet units MU1a and MU1b each function as a magnetic spring mechanism.
  • the magnet M5 is fixed to the inner wall W6 of the housing 1 so that the arrangement direction of the magnetic poles is parallel to the second direction D2.
  • the magnets M6 and M7 are arranged such that the arrangement directions of the magnetic poles are parallel to the second direction D2 and repel each other along the second direction D2, and are fixed to the other main surface side of the substrate 2a. There is. At that time, the magnet M6 and the magnet M7 are arranged so as to sandwich the magnet M5 along the second direction. That is, in the vibration motor 100D, the magnet M5 is arranged so as to overlap the central portion of the substrate 2a in a top view.
  • the vibrator support structure of the vibration motor 100D is similar to the vibrator support structure of the vibration motor 100A. Therefore, also in the vibration motor 100C, stable vibration can be generated in each of the first direction D1 and the second direction D2 different from each other.
  • the magnet unit MU1a and the magnet unit MU1b share the magnet M5. Therefore, the number of constituent parts of the vibration motor 100D can be reduced, and the manufacturing process can be simplified. Furthermore, the area occupied by the magnet unit MU1a and the magnet unit MU1b can be reduced, and the vibration motor 100D can be downsized.
  • the magnets M5 to M7 forming the magnetic spring mechanism are partially overlapped with each other.
  • the axis line that passes through the center of gravity of the regions where the magnets M5 to M7 overlap each other and is parallel to the second direction D2 is the two magnets M2 that are the drive magnets of the vibrator 2.
  • the axis line passing through the magnets M5 to M7 passes through the center of gravity of the overlapping regions of the two magnets M1 which are the drive magnets of the vibrator 2 when viewed in the first direction D1, and the first direction It is located farther from the coil 3 than the axis parallel to D1. That is, the influence of the magnetic field of the magnet M6 on the Lorentz force applied to the coil 4 and the influence of the magnetic field of the magnet M7 on the Lorentz force applied to the coil 3 are suppressed.
  • a vibration motor 100E that is a fifth modification of the vibration motor 100 that is a schematic form of the vibration motor according to the present disclosure will be described with reference to FIG.
  • FIG. 14(A) is a plan view of the vibration motor 100E corresponding to FIG. 1(A).
  • FIG. 14B is a cross-sectional view of the vibration motor 100E corresponding to FIG.
  • the vibration motor 100E is different from the vibration motor 100C in the form of the first repulsion mechanism S1.
  • Other configurations are similar to those of the vibration motor 100C, and detailed description thereof will be omitted.
  • the support member S1a includes two, one S1a1 and the other S1a2, and the support member S1b includes two, one S1b1 and the other S1b2.
  • One S1a1 and the other S1a2 of the support member S1a and one S1b1 and the other S1b2 of the support member S1b have the same structure and function as the above-mentioned support member S1a.
  • the fixed part of one S1a1 and the fixed part of the other S1a2 of the support member S1a are arranged on the symmetry axis parallel to the first direction D1 of the substrate 2a before the vibrator 2 vibrates in each direction. It is connected to the inner wall W1 of the housing 1 at positions symmetrical with respect to each other (see FIG. 10).
  • the U-shaped opening direction is opposite in the deformed portion of S1a1 on the one hand and the deformed portion of S1a2 on the other hand. It is open.
  • the U-shaped opening is opposite in direction between the deformed portion of S1b1 on the one hand and the deformed portion of the other S1b2. It is open.
  • the vibrator 2 is supported by the above supporting members. That is, the vibrator support structure in the vibration motor 100E includes the housing 1, the vibrator 2 that can vibrate in the first direction D1 and the second direction D2, and the above-described support members.
  • the supporting member S1a can suppress the load applied to the connecting portion with the housing 1, and the reliability of the connecting portion between the supporting member S1a and the housing 1 can be increased. Therefore, each of the support members described above can also achieve the same effect. As a result, the vibration motor 100E can generate stable vibration in each of the first direction D1 and the second direction D2 different from each other.
  • support members S1a and S1b each include one and the other two, when the vibrator 2 vibrates in the first direction D1, vibration shake can be effectively suppressed.
  • FIG. 15(A) is a plan view of the vibration motor 100F corresponding to FIG. 1(A).
  • FIG. 15B is a cross-sectional view of the vibration motor 100F corresponding to FIG.
  • the vibration motor 100F differs from the vibration motor 100E in the thickness of the substrate 2a and the form of the first repulsion mechanism S1.
  • the other configurations are similar to those of the vibration motor 100E, and thus detailed description thereof will be omitted.
  • the thickness of the substrate 2a is twice the width of the deformed portion S11a1 which is a belt-shaped elastic member described later.
  • the support member S1a includes two, one S1a1 and the other S1a2
  • the support member S1b includes two, one S1b1 and the other S1b2.
  • the structures of the one S1a1 and the other S1a2 of the support member S1a and the one S1b1 and the other S1b2 of the support member S1b have the same functions but are different from the structure of the above-mentioned support member S1a.
  • FIG. 16A is a perspective view showing an example of one side S1a1 of the support member S1a included in the first repulsion mechanism S1 included in the vibration motor 100F.
  • FIG. 16B is a perspective view showing an example of the other side S1a2 of the support member S1a. Since one S1b1 and the other S1b2 of the supporting member S1b have the same structure and function, detailed description thereof will be omitted.
  • One side S1a1 of the support member S1a has a deformable portion S11a1, an engaging portion S12a1, and a fixed portion S13a1.
  • the deformable portion S11a1 is similar to the deformable portion S11a of the support member S1a
  • the fixed portion S13a1 is similar to the fixed portion S13a of the support member S1a.
  • the engaging portion S12a1 has a concave portion C, and two plate-shaped members are connected to the flat plate portion extending from the U-shaped deforming portion S11a1 so as to have an angular C-shaped cross section. Similar to the engaging portion S12a of the support member S1a, but the width of the flat plate portion is wide.
  • the flat plate portion projects downward from the width of the deformed portion S11a1 in the figure (the inner wall W6 side of the housing 1), and the width of the flat plate portion is twice the width of the deformed portion S11a1. Then, when one of the support members S1a S1a1 is incorporated into the vibration motor 100F, the inside of the recess C contacts one of the first side surfaces of the substrate 2a. As a result, the engaging portion S12a1 and the vibrator 2 engage so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the other side S1a2 of the support member S1a also has a deformable portion S11a2, an engaging portion S12a2, and a fixed portion S13a2.
  • the engaging portion S12a2 has a recess C, and two plate-shaped members are connected to a flat plate portion extending from the U-shaped deforming portion S11a2 so as to have an angular C-shaped cross section.
  • the flat plate portion projects above the width of the deformed portion S11a2 (on the inner wall W5 side of the housing 1) in the figure, and the width of the flat plate portion is twice the width of the deformed portion S11a2. Then, when the other side S1a2 of the support member S1a is incorporated in the vibration motor 100F, the inside of the recess C contacts the other side of the first side surface of the substrate 2a. As a result, the engagement portion S12a2 and the vibrator 2 are engaged so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • One side S1b1 and the other side S1b2 of the support member S1b have the same positional relationship.
  • the deformed portion S11a1 of one S1a1 of the support member S1a and the deformed portion S11a2 of the other S1a2 have opposite U-shaped opening directions, while the deformed portion S11a1 of S1a1 is open to the inner wall W3 side and the deformed portion of the other S1a2.
  • S11a2 is open to the inner wall W4 side.
  • the fixed portion S13a1 of the one S1a1 and the fixed portion S13a2 of the other S1a2 are symmetrical with respect to the symmetry axis parallel to the first direction D1 of the substrate 2a before the vibrator 2 vibrates in each direction. At the position, it is connected to the inner wall W1 of the housing 1.
  • the deforming portion of one S1b1 of the supporting member S1b and the deforming portion of the other S1b2 also have opposite U-shaped opening directions.
  • the deforming portion of S1b1 is open to the inner wall W4 side, and the deforming portion of the other S1b2 is the inner wall W3 side. It is open to.
  • the fixed portion of S1b1 on the one hand and the fixed portion of S1b2 on the other hand are located symmetrically with respect to the symmetry axis parallel to the first direction D1 of the substrate 2a before the vibrator 2 vibrates in each direction. Thus, it is connected to the inner wall W2 of the housing 1.
  • the vibrator 2 is supported by the above supporting members. That is, the vibrator support structure in the vibration motor 100F includes the housing 1, the vibrator 2 that can vibrate in the first direction D1 and the second direction D2, and the above-described support members.
  • the supporting member S1a can suppress the load applied to the connecting portion with the housing 1, and the reliability of the connecting portion between the supporting member S1a and the housing 1 can be increased. Therefore, the above-mentioned supporting members having different structures but having similar functions can also achieve the same effect. As a result, the vibration motor 100F can generate stable vibration in each of the first direction D1 and the second direction D2 different from each other.
  • support members S1a and S1b each include one and the other two, when the vibrator 2 vibrates in the first direction D1, vibration shake can be effectively suppressed.
  • a vibration motor 100G that is a seventh modification of the vibration motor 100 that is a schematic form of the vibration motor according to the present disclosure will be described with reference to FIGS. 17 and 18.
  • FIG. 17 is a plan view of the vibration motor 100G corresponding to FIG. 1(A).
  • FIG. 18A is a cross-sectional view of the vibration motor 100G, which corresponds to FIG. 2A.
  • FIG. 18B is a cross-sectional view of the vibration motor 100G, which corresponds to FIG. 2B.
  • the vibration motor 100G is different from the vibration motor 100F in the structure of the substrate 2a and the form of the first repulsion mechanism S1.
  • the other configurations are similar to those of the vibration motor 100F, and thus detailed description thereof will be omitted.
  • the thickness of the substrate 2a is more than twice the width of the deformed portion S11a1 which is a belt-shaped elastic member described later.
  • the two magnets M1 and the two magnets M2 are embedded in the one main surface side of the substrate 2a.
  • the magnet M4a is embedded in one of the second side surfaces of the substrate 2a, and the magnet M4b is embedded in the other of the second side surfaces of the substrate 2a.
  • the substrate 2a has a groove formed parallel to the second direction D2 on the first side surface parallel to the second direction D2.
  • two grooves are formed in one of the first side surfaces in parallel with the second direction D2, and two grooves are formed in the other of the first side surface in parallel with the second direction D2.
  • a groove is formed.
  • the openings on the first side surfaces of the above-mentioned four grooves are narrower than the maximum width of the grooves, and the engaging portions (flat plate portions) of the support members S1a and S1b described later do not come off from the grooves. It is like this.
  • the support member S1a includes one S1a1 and the other S1a2, and the support member S1b includes two S1b1 and the other S1b2.
  • the structures of the one S1a1 and the other S1a2 of the support member S1a and the one S1b1 and the other S1b2 of the support member S1b have the same functions but are different from the structure of the above-mentioned support member S1a.
  • FIG. 19A is a perspective view showing an example of one of the support members S1a S1a1 included in the first repulsion mechanism S1 included in the vibration motor 100F.
  • FIG. 19B is a perspective view showing an example of the other side S1a2 of the support member S1a. Since one S1b1 and the other S1b2 of the supporting member S1b have the same structure and function, detailed description thereof will be omitted.
  • One side S1a1 of the support member S1a has a deformable portion S11a1, an engaging portion S12a1, and a fixed portion S13a1.
  • the deformable portion S11a1 is similar to the deformable portion S11a of the support member S1a
  • the fixed portion S13a1 is similar to the fixed portion S13a of the support member S1a.
  • the engaging portion S12a1 is a flat plate portion that extends from the U-shaped deforming portion S11a1 and has a width wider than that of the deforming portion S11a1.
  • the flat plate portion projects above and below the width of the deformed portion S11a1.
  • the inside of the upper groove of the two grooves formed in one of the first side surfaces of the substrate 2a and the engaging portion The flat plate portion which is S12a1 comes into contact.
  • the engaging portion S12a1 and the vibrator 2 are engaged so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the other side S1a2 of the support member S1a also has a deformable portion S11a2, an engaging portion S12a2, and a fixed portion S13a2.
  • the engaging portion S12a2 is a flat plate portion that extends from the U-shaped deforming portion S11a2 and projects above and below the width of the deforming portion S11a2.
  • One side S1b1 and the other side S1b2 of the support member S1b have the same positional relationship.
  • the deformed portion S11a1 of one S1a1 of the support member S1a and the deformed portion S11a2 of the other S1a2 have opposite U-shaped opening directions, while the deformed portion S11a1 of S1a1 is open to the inner wall W3 side and the deformed portion of the other S1a2.
  • S11a2 is open to the inner wall W4 side.
  • the fixed portion S13a1 of the one S1a1 and the fixed portion S13a2 of the other S1a2 are symmetrical with respect to the symmetry axis parallel to the first direction D1 of the substrate 2a before the vibrator 2 vibrates in each direction. At the position, it is connected to the inner wall W1 of the housing 1.
  • the deformed portion S11b1 of one S1b1 of the support member S1b and the deformed portion S11b2 of the other S1b2 have opposite U-shaped opening directions, while the deformed portion of S1b1 is open to the inner wall W4 side and the deformed portion of the other S1b2 The opening is on the inner wall W3 side.
  • the fixed portion of S1b1 on the one hand and the fixed portion of S1b2 on the other hand are located symmetrically with respect to the symmetry axis parallel to the first direction D1 of the substrate 2a before the vibrator 2 vibrates in each direction. Thus, it is connected to the inner wall W2 of the housing 1.
  • the vibrator 2 is supported by the above supporting members. That is, the vibrator support structure in the vibration motor 100G includes the housing 1, the vibrator 2 that can vibrate in the first direction D1 and the second direction D2, and the above-described support members.
  • the supporting member S1a can suppress the load applied to the connecting portion with the housing 1, and the reliability of the connecting portion between the supporting member S1a and the housing 1 can be increased. Therefore, the above-mentioned supporting members having different structures but having similar functions can also achieve the same effect. As a result, the vibration motor 100G can generate stable vibration in each of the first direction D1 and the second direction D2 different from each other.
  • support members S1a and S1b each include one and the other two, when the vibrator 2 vibrates in the first direction D1, vibration shake can be effectively suppressed.
  • FIG. 20(A) is a plan view of the vibration motor 100H corresponding to FIG. 1(A).
  • 20B is a cross-sectional view of the vibration motor 100H, which corresponds to FIG. 2A.
  • the vibration motor 100G is different from the vibration motor 100G in the structure of the substrate 2a and the form of the first repulsion mechanism S1.
  • the other configurations are similar to those of the vibration motor 100G, and detailed description thereof will be omitted.
  • the thickness of the substrate 2a is equal to or larger than the width of the deformed portion S11a1 which is a belt-shaped elastic member described later.
  • the two magnets M1 and the two magnets M2 are embedded in the one main surface side of the substrate 2a.
  • the magnet M4a is embedded in one of the second side surfaces of the substrate 2a, and the magnet M4b is embedded in the other of the second side surfaces of the substrate 2a.
  • the substrate 2a has a groove formed parallel to the second direction D2 on the first side surface parallel to the second direction D2.
  • one groove is formed in parallel with the second direction D2 on one of the first side surfaces, and one groove is formed in parallel with the second direction D2 on the other side of the first side surface.
  • a groove is formed.
  • the first repulsion mechanism S1 of the vibration motor 100H includes support members S1a and S1b.
  • the support member S1a has the same structure as one S1a1 of the support member S1a in the vibration motor 100G.
  • the support member S1b has the same structure as the one S1b1 of the support member S1b.
  • the function of each support member is the same as one S1a1 of the support member S1a and one S1b1 of the support member S1b, that is, the same as the support member S1a of the vibration motor 100.
  • the openings on the first side surfaces of the above-mentioned two grooves are narrower than the maximum width of the groove, so that the engaging portions of each of the support members S1a and S1b cannot be disengaged from the groove.
  • the support member S1a When the support member S1a is incorporated into the vibration motor 100H, the inside of the groove formed on one of the first side surfaces of the substrate 2a described above comes into contact with the flat plate portion that is the engaging portion. As a result, the engaging portion of the support member S1a and the vibrator 2 engage so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the support member S1b When the support member S1b is incorporated in the vibration motor 100H, the inside of the groove formed on the other side of the first side surface of the substrate 2a comes into contact with the flat plate portion that is the engaging portion. As a result, the engaging portion of the support member S1b and the vibrator 2 engage so that the vibrator 2 can slide with respect to the vibration of the vibrator 2 in the second direction D2.
  • the vibrator 2 is supported by the above supporting members. That is, the vibrator support structure in the vibration motor 100G includes the housing 1, the vibrator 2 that can vibrate in the first direction D1 and the second direction D2, and the above-described support members.
  • the supporting member S1a can suppress the load applied to the connecting portion with the housing 1, and the reliability of the connecting portion between the supporting member S1a and the housing 1 can be increased. Therefore, the above-mentioned supporting members having different structures but having similar functions can also achieve the same effect. As a result, the vibration motor 100H can generate stable vibration in each of the first direction D1 and the second direction D2 different from each other.
  • vibration motor 200 showing an embodiment of a vibration motor including a vibrator support structure according to the present disclosure will be described with reference to FIGS. 21 and 22.
  • FIG. 21(A) is a plan view of the vibration motor 200 as viewed from above except for the first portion 1a (see FIG. 2) of the housing 1.
  • FIG. 21(B) is a plan view of the vibration motor 200 as viewed from below except the portion of the second portion 1b (see FIG. 2) of the housing 1 that faces the first portion 1a.
  • FIG. 22A is a cross-sectional view of the vibration motor 200 taken along the plane including the line AA shown in FIG.
  • FIG. 22B is a cross-sectional view of the vibration motor 200 taken along a plane including the line BB shown in FIG.
  • the vibration motor 200 includes a housing 1 (first housing), two magnets M1 (first magnet), two magnets M2 (second magnet), and a substrate 2a.
  • the oscillator 2 including the weights 2b and 2c, the coil 3 (first coil), the coil 4 (second coil), the first repulsion mechanism S1, and the second repulsion mechanism S2. I have it.
  • the first repulsion mechanism S1 includes the support members S1a and S1b (first support member) that support the vibrator 2 in the housing 1 and are described in the description of the vibration motor 100.
  • the second repulsion mechanism S2 includes the magnet unit MU1a (first magnet unit) and the magnet unit MU1b (first magnet unit) described in the description of the vibration motor 100A.
  • the magnet unit MU1a includes a magnet M3a (third magnet) and a magnet M4a (fourth magnet).
  • the magnet unit MU1b includes a magnet M3b (third magnet) and a magnet M4b (fourth magnet).
  • the basic structure of the vibration motor 200 is the same as that of the vibration motor 100A, and weights 2b and 2c are further added to the vibrator 2.
  • the substrate 2a also functions as a weight portion.
  • the weight portions 2b and 2c also function as a substrate.
  • the weight portion 2b is arranged on one main surface side (inner wall W5 side) of the substrate 2a, and the weight portion 2c is arranged on the other main surface side (inner wall W6 side) of the substrate 2a.
  • the housing 1 includes a first portion 1a and a second portion 1b.
  • the first portion 1a is a flat plate-shaped lid portion and the second portion 1b is a container portion.
  • the material of the housing 1 for example, stainless steel such as SUS304 is used.
  • the first portion 1a and the second portion 1b may be made of different materials.
  • the magnets M1 and M2 are drive magnets, and the magnets M3a and M3b and the magnets M4a and M4b are magnets that form a magnetic spring mechanism.
  • a rare earth magnet such as Nd—Fe—B system or Sm—Co system is used.
  • Nd—Fe—B-based rare earth magnets that have a strong magnetic force and can increase the driving force of the vibrator 2.
  • Sm—Co rare earth magnets which have a small rate of change in magnetic force with temperature and can stably exhibit the magnetic spring effect, as the respective magnets constituting the magnetic spring mechanism.
  • the arrangement of the magnetic poles of each magnet is the same as that of the vibration motor 100A, and the description thereof will be omitted.
  • the material of the substrate 2a and the weight portions 2b and 2c for example, stainless steel such as W or SUS304, Al, or the like is used.
  • a material having a large specific gravity such as W as the material of the substrate 2a and the weight portions 2b and 2c.
  • the weight portion 2b is provided with a through hole which is a slot into which the two magnets M1 are embedded. Further, the weight portion 2b is provided with a recess for exposing the substrate 2a so that the engaging portion S12a of the supporting member S1a and the engaging portion S12b of the supporting member S1b can slidably engage with the substrate 2a. (See FIG. 22A).
  • the weight 2c is provided with a through hole that is a slot into which the two magnets M2 are embedded. Further, the weight portion 2c is also provided with a recess for exposing the substrate 2a so that the engaging portion S12a of the supporting member S1a and the engaging portion S12b of the supporting member S1b can slidably engage with the substrate 2a. (See FIG. 22A).
  • the substrate 2a and the weights 2b and 2c are provided with recesses that serve as slots in which the magnets M4a and M4b are embedded when they are combined.
  • the slots in which the magnets M1 and M2 are embedded do not have to pass through the respective weights.
  • the respective slots are arranged so that the respective positional relationships of the magnet M1 and the coil 3, the magnet M2 and the coil 4, the magnet M3a and the magnet M4a, and the magnet M3b and the magnet M4b satisfy the positional relationship described in the vibration motor 100A. ing.
  • Each magnet is inserted into each slot and fixed by, for example, an epoxy adhesive.
  • each magnet By inserting each magnet into each slot, it becomes easy to fix each magnet to the substrate 2a and the weight portions 2b and 2c, and it is possible to accurately fix each magnet to the substrate 2a and the weight portions 2b and 2c. it can.
  • the vibrator 2 After the two magnets M1 are fixed in the slots of the weight portion 2b and the two magnets M2 are fixed in the slots of the weight portion 2c, the substrate 2a, the weight portion 2b, and the weight portion 2c are bonded and bonded. It is formed by fixing the magnets M4a and M4b to the slots formed later.
  • the vibrator 2 may be formed by fixing each magnet to an integrated body of the substrate 2a, the weight portion 2b, and the weight portion 2c.
  • the coil 3 for example, a coated Cu wire with a diameter of 0.06 mm wound about 100 turns is used. The number of turns is adjusted to the required driving force.
  • the coil 3 is connected to a stabilized power supply via a power amplifier by a lead wiring member such as a flexible substrate (the lead wiring member and each device are not shown).
  • the coil 3 applies a driving force to the magnet M1 so that the vibrator 2 can vibrate along the first direction D1.
  • the arrangement and shape of the coil 3 are similar to those of the vibration motor 100A, and detailed description thereof will be omitted.
  • the coil 4 for example, a coated Cu wire with a diameter of 0.06 mm wound about 80 turns is used. The number of turns is adjusted to the required driving force.
  • the coil 4 is connected to a stabilized power source via a power amplifier by a lead wiring member such as a flexible substrate (the lead wiring member and each device are not shown).
  • the coil 4 applies a driving force to the magnet M2 so that the vibrator 2 can vibrate along the second direction D2.
  • the arrangement and shape of the coil 4 are similar to those of the vibration motor 100A, and detailed description thereof will be omitted.
  • the first repulsion mechanism S1 includes the support members S1a and S1b described above, and the second repulsion mechanism S2 does not include a support member that supports the vibrator 2 inside the housing 1. .. That is, the vibrator support structure in the vibration motor 100A includes the housing 1, the vibrator 2 that can vibrate along the first direction D1 and the second direction D2, and the support members S1a and S1b.
  • the vibration motor 100A when the vibrator 2 vibrates in the second direction D2, it is possible to suppress the load on the connecting portion between the support members S1a and S1b and the housing 1. As a result, also in the vibration motor 100A, stable vibration can be generated in each of the first direction D1 and the second direction D2 different from each other.
  • the embodiment of the vibration motor is not limited to the above.
  • any of the above-described schematic forms of the vibration motor can be applied as an embodiment of the vibration motor.
  • a portable information terminal 1000 showing a schematic form of an electronic device using a vibration motor according to this disclosure will be described with reference to FIGS. 23 and 24.
  • FIG. 23 is a transparent perspective view of the portable information terminal 1000. Further, FIG. 24 is a cross-sectional view of a main part of the portable information terminal 1000.
  • the portable information terminal 1000 includes a housing 1001 (second housing), the vibration motor 100 according to the present disclosure, and an electronic circuit (not shown) related to transmission/reception and information processing.
  • the housing 1001 includes a first portion 1001a and a second portion 1001b.
  • the first portion 1001a is a display and the second portion 1001b is a frame.
  • the vibration motor 100 is housed in a housing 1001.
  • the portable information terminal 1000 uses the vibration motor 100 according to this disclosure as a vibration generation device for feedback of skin sensations and for confirming key operation, incoming call, etc. by vibration.
  • the vibration motor used in the portable information terminal 1000 is not limited to the vibration motor 100, and may be any vibration motor according to this disclosure.
  • the vibration motor according to this disclosure has a highly reliable connection portion between the support member that supports the vibrator inside the housing and the housing, and can generate stable vibration in two different directions. Therefore, in the portable information terminal 1000, it is possible to suppress a reduction in vibration for feedback of skin sensation or for confirmation of key operation and incoming call.
  • the second portion 1b of the housing 1 of the vibration motor 100 includes a container body 1b1 and a fixed portion 1b2.
  • the fixed portion 1b2 is a portion protruding from the bottom of the container body 1b1.
  • the fixing portion 1b2 is fixed to the second portion 1001b of the housing 1001 with the screw B.
  • each support member is fixed to the inner wall W1 to W4 of the housing 1, which is the inside of the side wall of the container body 1b1 (see FIG. 1).
  • the vibration of the vibrator 2 of the vibration motor 100 vibrates the housing 1 via each support member as described above, and the vibration of the housing 1 vibrates the housing 1001.
  • the operator of the portable information terminal 1000 can detect skin sensation feedback and key operation or incoming call.
  • the fixing portion 1b2 may be fixed to the first portion 1001a of the housing 1001, that is, the display.
  • a portable information terminal provided with a display has been shown as an example of a schematic form of an electronic device using the vibration motor according to the present disclosure, but the invention is not limited to this.
  • the electronic device according to this disclosure may not include a display.
  • mobile phones such as feature phones
  • smartphones portable video game machines
  • controllers for video game machines controllers for VR (Virtual Reality) devices
  • smart watches tablet computers
  • notebook computers TVs.
  • a remote controller used for operations such as the above
  • a touch panel type display such as an automatic teller machine
  • electronic devices such as various toys.
  • the invention according to this disclosure is applied to, for example, a vibration motor used as a vibration generator for feedback of skin sensations in electronic devices or for confirming key operation or incoming call with vibration.
  • a vibration motor used as a vibration generator for feedback of skin sensations in electronic devices or for confirming key operation or incoming call with vibration.
  • the skin sensation feedback for example, a tactile sensation image corresponding to an operation in a video game (for example, opening and closing a door or operating a steering wheel of a car) is represented by vibration of a controller.
  • other skin sensory feedback may be used.
  • the invention is not limited to this, and can be applied to a linear vibration motor used as a robot actuator.

Abstract

L'invention concerne une structure de support de vibrateur qui peut supprimer une charge sur une partie de liaison entre un boîtier et un élément de support qui soutient, dans le boîtier, un vibrateur vibrant dans deux directions différentes, un moteur vibrant comprenant la structure de support de vibrateur, et un équipement électronique équipé du moteur vibrant. La structure de support de vibrateur comprend : un premier boîtier (1) ; un vibrateur (2) qui peut vibrer dans une première direction (D1) et une seconde direction (D2) croisant la première direction (D1) ; et un premier élément de support (S1a) qui soutient le vibrateur (2) dans le premier boîtier (1). Le premier élément de support (S1a) comporte une première partie de déformation (S11a) qui est élastiquement déformée en fonction de la vibration du vibrateur (2) dans la première direction (D1) et une première partie d'entrée en prise (S12a) qui vient en prise avec le vibrateur (2) de telle sorte que le vibrateur (2) peut coulisser en fonction de la vibration du vibrateur (2) dans la seconde direction (D2).
PCT/JP2020/002522 2019-02-05 2020-01-24 Structure de support de vibrateur, moteur vibrant, et équipement électronique WO2020162226A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020571101A JP7156411B2 (ja) 2019-02-05 2020-01-24 振動子支持構造、振動モータおよび電子機器
CN202080012685.5A CN113396532A (zh) 2019-02-05 2020-01-24 振子支承构造、振动马达以及电子设备
US17/389,888 US11876425B2 (en) 2019-02-05 2021-07-30 Vibrator support structure, vibration motor, and electronic device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-019209 2019-02-05
JP2019019209 2019-02-05

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/389,888 Continuation US11876425B2 (en) 2019-02-05 2021-07-30 Vibrator support structure, vibration motor, and electronic device

Publications (1)

Publication Number Publication Date
WO2020162226A1 true WO2020162226A1 (fr) 2020-08-13

Family

ID=71947244

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/002522 WO2020162226A1 (fr) 2019-02-05 2020-01-24 Structure de support de vibrateur, moteur vibrant, et équipement électronique

Country Status (4)

Country Link
US (1) US11876425B2 (fr)
JP (1) JP7156411B2 (fr)
CN (1) CN113396532A (fr)
WO (1) WO2020162226A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114221512B (zh) * 2021-12-10 2023-04-25 歌尔股份有限公司 振动装置及智能终端

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120313459A1 (en) * 2011-06-08 2012-12-13 American Audio Components Inc. Linear vibrator
JP2015044177A (ja) * 2013-08-29 2015-03-12 日本電産コパル株式会社 振動アクチュエータ
JP2016127789A (ja) * 2014-12-26 2016-07-11 日本電産サンキョー株式会社 アクチュエータ
JP2017018958A (ja) * 2016-11-02 2017-01-26 日本電産コパル株式会社 振動アクチュエータ
JP2018137995A (ja) * 2018-06-12 2018-08-30 日本電産コパル株式会社 振動アクチュエータ

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101255914B1 (ko) * 2010-12-31 2013-04-23 삼성전기주식회사 선형 진동모터
JP6434028B2 (ja) * 2014-07-28 2018-12-05 日本電産コパル株式会社 リニア振動モータ
JP6396129B2 (ja) * 2014-09-05 2018-09-26 日本電産コパル株式会社 リニア振動モータの製造方法
CN104660106B (zh) * 2015-02-02 2017-04-12 瑞声精密电子沭阳有限公司 扁平线性振动电机
JP2016182569A (ja) * 2015-03-26 2016-10-20 日本電産コパル株式会社 振動アクチュエータ
US10502644B2 (en) 2015-03-31 2019-12-10 Sony Corporation Force-sense presenting apparatus
CN105207441B (zh) * 2015-09-23 2017-11-21 歌尔股份有限公司 线性振动马达
CN205212673U (zh) * 2015-11-20 2016-05-04 瑞声光电科技(常州)有限公司 振动电机
CN105281528B (zh) * 2015-11-25 2018-07-27 歌尔股份有限公司 线性振动马达
CN105406678B (zh) * 2015-11-25 2019-02-15 歌尔股份有限公司 线性振动马达
CN105406676B (zh) * 2015-11-25 2019-01-11 歌尔股份有限公司 一种线性振动马达
CN105406677B (zh) * 2015-11-25 2019-03-05 歌尔股份有限公司 一种线性振动马达
CN105281527B (zh) * 2015-11-25 2018-06-26 歌尔股份有限公司 线性振动马达
CN105356710B (zh) * 2015-11-25 2018-11-30 歌尔股份有限公司 线性振动马达
CN105529896B (zh) * 2016-02-05 2019-01-11 歌尔股份有限公司 线性振动马达
CN105790541B (zh) * 2016-03-11 2019-01-15 歌尔股份有限公司 一种线性振动马达
CN105656274B (zh) * 2016-03-11 2018-09-07 歌尔股份有限公司 一种线性振动马达
CN105591512B (zh) * 2016-03-11 2019-02-15 歌尔股份有限公司 一种线性振动马达
CN105703596B (zh) * 2016-03-29 2020-05-01 金龙机电股份有限公司 一种线性电机
JP6692242B2 (ja) * 2016-07-25 2020-05-13 日本電産コパル株式会社 振動モータ
JP2018019459A (ja) * 2016-07-25 2018-02-01 日本電産セイミツ株式会社 振動モータ、およびその製造方法
CN206341115U (zh) * 2016-10-25 2017-07-18 瑞声科技(新加坡)有限公司 线性振动电机
CN206313634U (zh) * 2016-12-10 2017-07-07 瑞声科技（南京）有限公司 振动电机
JP7093013B2 (ja) * 2017-01-13 2022-06-29 ミツミ電機株式会社 振動アクチュエータ、ウェアラブル端末及び着信通知機能デバイス
CN106849587B (zh) * 2017-03-14 2022-04-05 歌尔股份有限公司 线性振动马达及电子设备
CN207251900U (zh) * 2017-04-14 2018-04-17 瑞声科技(新加坡)有限公司 振动器件和电子设备
CN206834955U (zh) * 2017-04-14 2018-01-02 瑞声科技(新加坡)有限公司 振动电机
CN206834959U (zh) * 2017-04-14 2018-01-02 瑞声科技(新加坡)有限公司 振动电机
CN207098907U (zh) * 2017-04-14 2018-03-13 瑞声科技(新加坡)有限公司 振动器件和具有该种振动器件的电子设备
CN206908500U (zh) * 2017-07-10 2018-01-19 浙江省东阳市东磁诚基电子有限公司 一种线性振动电机
JP6864097B2 (ja) * 2017-08-03 2021-04-21 アルプスアルパイン株式会社 振動発生装置
JP6955158B2 (ja) * 2017-11-17 2021-10-27 ミツミ電機株式会社 振動アクチュエーター及び携帯機器
JP7137046B2 (ja) * 2017-12-28 2022-09-14 ミツミ電機株式会社 振動アクチュエーター及び携帯機器
CN108199555A (zh) * 2018-01-03 2018-06-22 瑞声科技（南京）有限公司 振动电机
CN108233661A (zh) * 2018-01-03 2018-06-29 瑞声科技（南京）有限公司 振动电机
CN108233662B (zh) * 2018-03-02 2020-01-24 金龙机电股份有限公司 动磁式线性振动电机
JP6994429B2 (ja) * 2018-04-27 2022-01-14 リオン株式会社 電気機械変換器及び電気音響変換器
JP2019201486A (ja) * 2018-05-16 2019-11-21 日本電産コパル株式会社 リニア振動モータ及び電子機器
CN209072302U (zh) * 2018-08-03 2019-07-05 瑞声科技（南京）有限公司 振动电机
CN208589892U (zh) * 2018-08-03 2019-03-08 瑞声科技（南京）有限公司 振动电机
CN208589897U (zh) * 2018-08-03 2019-03-08 瑞声科技（南京）有限公司 线性振动电机
CN208589889U (zh) * 2018-08-03 2019-03-08 瑞声科技（南京）有限公司 线性振动电机
CN208955874U (zh) * 2018-08-03 2019-06-07 瑞声科技（南京）有限公司 振动电机
JP7386062B2 (ja) * 2019-05-13 2023-11-24 アルプスアルパイン株式会社 振動発生装置
JP7258675B2 (ja) * 2019-06-24 2023-04-17 キヤノン株式会社 振動型モータおよび光学機器
WO2021000074A1 (fr) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Moteur à vibrations
WO2021000093A1 (fr) * 2019-06-29 2021-01-07 瑞声声学科技(深圳)有限公司 Moteur
JP7261699B2 (ja) * 2019-08-28 2023-04-20 アルプスアルパイン株式会社 振動発生装置
WO2021115585A1 (fr) * 2019-12-11 2021-06-17 Lofelt Gmbh Actionneur à vibration linéaire ayant une bobine et un aimant mobiles
CN114829023A (zh) * 2020-01-30 2022-07-29 株式会社村田制作所 直线振动电机、使用该直线振动电机的电子设备、振子和振子的制造方法
KR20210125374A (ko) * 2020-04-08 2021-10-18 한국전자통신연구원 디지털 트윈을 이용한 스마트 축사 시스템 및 방법
CN214281182U (zh) * 2020-12-22 2021-09-24 瑞声光电科技(常州)有限公司 一种振动电机
JP2023091803A (ja) * 2021-12-21 2023-07-03 ニデック株式会社 振動モータおよび電子機器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120313459A1 (en) * 2011-06-08 2012-12-13 American Audio Components Inc. Linear vibrator
JP2015044177A (ja) * 2013-08-29 2015-03-12 日本電産コパル株式会社 振動アクチュエータ
JP2016127789A (ja) * 2014-12-26 2016-07-11 日本電産サンキョー株式会社 アクチュエータ
JP2017018958A (ja) * 2016-11-02 2017-01-26 日本電産コパル株式会社 振動アクチュエータ
JP2018137995A (ja) * 2018-06-12 2018-08-30 日本電産コパル株式会社 振動アクチュエータ

Also Published As

Publication number Publication date
US20210359582A1 (en) 2021-11-18
JPWO2020162226A1 (ja) 2021-10-14
US11876425B2 (en) 2024-01-16
CN113396532A (zh) 2021-09-14
JP7156411B2 (ja) 2022-10-19

Similar Documents

Publication Publication Date Title
US10610893B2 (en) Vibration actuator and portable device
US10610894B2 (en) Vibration actuator and portable device
US10610892B2 (en) Vibration actuator and portable device
CN108028590B (zh) 线性振动马达
US20170354992A1 (en) Linear vibration motor
WO2021106741A1 (fr) Moteur à vibration linéaire, et instrument électronique l'utilisant
US20220329139A1 (en) Vibration actuator and electronic device
US20220311320A1 (en) Linear vibration motor, electronic device using linear vibration motor, vibrator, and method of manufacturing vibrator
CN108566065A (zh) 一种振动马达及移动终端
WO2020162226A1 (fr) Structure de support de vibrateur, moteur vibrant, et équipement électronique
CN108227911B (zh) 包括用于使显示器变形的基于可移动磁体的致动器的电子设备及相关方法
US11462986B2 (en) Linear vibration motor with magnets fixed to a base and coils fixed to a weight
JP7207428B2 (ja) リニア振動モータ、およびそれを用いた電子機器
CN107534376B (zh) 线性振动马达
CN113131707A (zh) 振动致动器及电子设备
CN112469510B (zh) 致动器
TW202046602A (zh) 振動致動器以及電子機器
US20230140711A1 (en) Actuator
WO2020195452A1 (fr) Moteur à vibration linéaire et dispositif électronique l'utilisant
KR20210114696A (ko) 진동 발생 장치
CN107425691B (zh) 电磁驱动器
CN110799273B (zh) 致动器
CN112018991A (zh) 致动器及触觉设备
WO2023013761A1 (fr) Actionneur de vibration
WO2023047696A1 (fr) Moteur à vibrations linéaires

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20751925

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020571101

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20751925

Country of ref document: EP

Kind code of ref document: A1